@article {Lindqvist:1987:0736-2935:529, title = "Active noise control in rooms by interference", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1987", volume = "1987", number = "5", publication date ="1987-09-15T00:00:00", pages = "529-532", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1987/00001987/00000005/art00026", keyword = "51.1, 38.2", author = "Lindqvist, Elizabeth and Sjosten, Per", abstract = "", }